On Sun, 2005-10-23 at 14:30 +0200, Joachim Frieben wrote: > After upgrading the SMP kernel on my PR440FX box, the SCSI > subsystem switched from U-SCSI to FAST-SCSI mode. There are > three devices connected to the on-board AHA-2940UW device. > This change happens when booting a 2.6.13 kernel. As soon as > I return to a 2.6.12 based kernel, everything works right. > The attached hard disk is a QUANTUM Atlas 10k III drive. > Now, the transfer rate ia a mere 18 MB/s compared to 28 MB/s > which was acceptable for the AIC7880 based UW-interface. to diagnose this it's probably easiest to capture the dmesg of both kernels, diff those, and then send that diff to the linux-scsi@xxxxxxxxxxxxxxx mailinglist (together with the explenation you already gave in this email) -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list